Xash3D FWGS engine.
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/*
sys_win.c - platform dependent code
Copyright (C) 2011 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include "common.h"
#include "mathlib.h"
qboolean error_on_exit = false; // arg for exit();
/*
================
Sys_DoubleTime
================
*/
double Sys_DoubleTime( void )
{
static LARGE_INTEGER g_PerformanceFrequency;
static LARGE_INTEGER g_ClockStart;
LARGE_INTEGER CurrentTime;
if( !g_PerformanceFrequency.QuadPart )
{
QueryPerformanceFrequency( &g_PerformanceFrequency );
QueryPerformanceCounter( &g_ClockStart );
}
QueryPerformanceCounter( &CurrentTime );
return (double)( CurrentTime.QuadPart - g_ClockStart.QuadPart ) / (double)( g_PerformanceFrequency.QuadPart );
}
/*
================
Sys_GetClipboardData
create buffer, that contain clipboard
================
*/
char *Sys_GetClipboardData( void )
{
static char *data = NULL;
char *cliptext;
if( data )
{
// release previous cbd
Z_Free( data );
data = NULL;
}
if( OpenClipboard( NULL ) != 0 )
{
HANDLE hClipboardData;
if(( hClipboardData = GetClipboardData( CF_TEXT )) != 0 )
{
if(( cliptext = GlobalLock( hClipboardData )) != 0 )
{
data = Z_Malloc( GlobalSize( hClipboardData ) + 1 );
Q_strcpy( data, cliptext );
GlobalUnlock( hClipboardData );
}
}
CloseClipboard();
}
return data;
}
/*
================
Sys_SetClipboardData
write screenshot into clipboard
================
*/
void Sys_SetClipboardData( const byte *buffer, size_t size )
{
EmptyClipboard();
if( OpenClipboard( NULL ) != 0 )
{
HGLOBAL hResult = GlobalAlloc( GMEM_MOVEABLE, size );
byte *bufferCopy = (byte *)GlobalLock( hResult );
memcpy( bufferCopy, buffer, size );
GlobalUnlock( hResult );
if( SetClipboardData( CF_DIB, hResult ) == NULL )
{
MsgDev( D_ERROR, "unable to write screenshot\n" );
GlobalFree( hResult );
}
CloseClipboard();
}
}
/*
================
Sys_Sleep
freeze application for some time
================
*/
void Sys_Sleep( int msec )
{
msec = bound( 1, msec, 1000 );
Sleep( msec );
}
/*
================
Sys_GetCurrentUser
returns username for current profile
================
*/
char *Sys_GetCurrentUser( void )
{
static string sys_user_name;
dword size = sizeof( sys_user_name );
if( !sys_user_name[0] )
{
HINSTANCE advapi32_dll = LoadLibrary( "advapi32.dll" );
BOOL (_stdcall *pGetUserNameA)( LPSTR lpBuffer, LPDWORD nSize ) = NULL;
if( advapi32_dll ) pGetUserNameA = (void *)GetProcAddress( advapi32_dll, "GetUserNameA" );
if( pGetUserNameA) pGetUserNameA( sys_user_name, &size );
if( advapi32_dll ) FreeLibrary( advapi32_dll ); // no need anymore...
if( !sys_user_name[0] ) Q_strcpy( sys_user_name, "player" );
}
return sys_user_name;
}
/*
=================
Sys_GetMachineKey
=================
*/
const char *Sys_GetMachineKey( int *nLength )
{
HINSTANCE rpcrt4_dll = LoadLibrary( "rpcrt4.dll" );
RPC_STATUS (_stdcall *pUuidCreateSequential)( UUID __RPC_FAR *Uuid ) = NULL;
static byte key[32];
byte mac[8];
UUID uuid;
int i;
if( rpcrt4_dll ) pUuidCreateSequential = (void *)GetProcAddress( rpcrt4_dll, "UuidCreateSequential" );
if( pUuidCreateSequential ) pUuidCreateSequential( &uuid ); // ask OS to create UUID
if( rpcrt4_dll ) FreeLibrary( rpcrt4_dll ); // no need anymore...
for( i = 2; i < 8; i++ ) // bytes 2 through 7 inclusive are MAC address
mac[i-2] = uuid.Data4[i];
Q_snprintf( key, sizeof( key ), "%02X-%02X-%02X-%02X-%02X-%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5] );
if( nLength ) *nLength = Q_strlen( key );
return key;
}
/*
=================
Sys_ShellExecute
=================
*/
void Sys_ShellExecute( const char *path, const char *parms, qboolean exit )
{
HINSTANCE shell32_dll = LoadLibrary( "shell32.dll" );
HINSTANCE (_stdcall *pShellExecuteA)( HWND hwnd, LPCSTR lpOp, LPCSTR lpFile, LPCSTR lpParam, LPCSTR lpDir, INT nShowCmd ) = NULL;
if( shell32_dll ) pShellExecuteA = (void *)GetProcAddress( shell32_dll, "ShellExecuteA" );
if( pShellExecuteA ) pShellExecuteA( NULL, "open", path, parms, NULL, SW_SHOW );
if( shell32_dll ) FreeLibrary( shell32_dll ); // no need anymore...
if( exit ) Sys_Quit();
}
/*
==================
Sys_ParseCommandLine
==================
*/
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void Sys_ParseCommandLine( int argc, const char** argv )
{
const char *blank = "censored";
int i;
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host.argc = argc;
host.argv = argv;
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if( !host.change_game ) return;
for( i = 0; i < host.argc; i++ )
{
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// we don't want to return to first game
if( !Q_stricmp( "-game", host.argv[i] )) host.argv[i] = (char *)blank;
// probably it's timewaster, because engine rejected second change
7 years ago
else if( !Q_stricmp( "+game", host.argv[i] )) host.argv[i] = (char *)blank;
// you sure that map exists in new game?
else if( !Q_stricmp( "+map", host.argv[i] )) host.argv[i] = (char *)blank;
// just stupid action
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else if( !Q_stricmp( "+load", host.argv[i] )) host.argv[i] = (char *)blank;
// changelevel beetwen games? wow it's great idea!
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else if( !Q_stricmp( "+changelevel", host.argv[i] )) host.argv[i] = (char *)blank;
}
}
/*
==================
Sys_MergeCommandLine
==================
*/
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void Sys_MergeCommandLine( )
{
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const char *blank = "censored";
int i;
if( !host.change_game ) return;
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for( i = 0; i < host.argc; i++ )
{
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// second call
if( Host_IsDedicated() && !Q_strnicmp( "+menu_", host.argv[i], 6 ))
host.argv[i] = (char *)blank;
}
}
/*
================
Sys_CheckParm
Returns the position (1 to argc-1) in the program's argument list
where the given parameter apears, or 0 if not present
================
*/
int Sys_CheckParm( const char *parm )
{
int i;
for( i = 1; i < host.argc; i++ )
{
if( !host.argv[i] ) continue;
if( !Q_stricmp( parm, host.argv[i] ))
return i;
}
return 0;
}
/*
================
Sys_GetParmFromCmdLine
Returns the argument for specified parm
================
*/
qboolean _Sys_GetParmFromCmdLine( char *parm, char *out, size_t size )
{
int argc = Sys_CheckParm( parm );
if( !argc || !out || !host.argv[argc + 1] )
return false;
Q_strncpy( out, host.argv[argc+1], size );
return true;
}
void Sys_SendKeyEvents( void )
{
MSG msg;
while( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ))
{
if( !GetMessage( &msg, NULL, 0, 0 ))
Sys_Quit ();
TranslateMessage( &msg );
DispatchMessage( &msg );
}
}
//=======================================================================
// DLL'S MANAGER SYSTEM
//=======================================================================
qboolean Sys_LoadLibrary( dll_info_t *dll )
{
const dllfunc_t *func;
string errorstring;
// check errors
if( !dll ) return false; // invalid desc
if( dll->link ) return true; // already loaded
if( !dll->name || !*dll->name )
return false; // nothing to load
MsgDev( D_NOTE, "Sys_LoadLibrary: Loading %s", dll->name );
if( dll->fcts )
{
// lookup export table
for( func = dll->fcts; func && func->name != NULL; func++ )
*func->func = NULL;
}
if( !dll->link ) dll->link = LoadLibrary ( dll->name ); // environment pathes
// no DLL found
if( !dll->link )
{
Q_snprintf( errorstring, sizeof( errorstring ), "Sys_LoadLibrary: couldn't load %s\n", dll->name );
goto error;
}
// Get the function adresses
for( func = dll->fcts; func && func->name != NULL; func++ )
{
if( !( *func->func = Sys_GetProcAddress( dll, func->name )))
{
Q_snprintf( errorstring, sizeof( errorstring ), "Sys_LoadLibrary: %s missing or invalid function (%s)\n", dll->name, func->name );
goto error;
}
}
MsgDev( D_NOTE, " - ok\n" );
return true;
error:
MsgDev( D_NOTE, " - failed\n" );
Sys_FreeLibrary( dll ); // trying to free
if( dll->crash ) Sys_Error( errorstring );
else MsgDev( D_ERROR, errorstring );
return false;
}
void* Sys_GetProcAddress( dll_info_t *dll, const char* name )
{
if( !dll || !dll->link ) // invalid desc
return NULL;
return (void *)GetProcAddress( dll->link, name );
}
qboolean Sys_FreeLibrary( dll_info_t *dll )
{
// invalid desc or alredy freed
if( !dll || !dll->link )
return false;
if( host.status == HOST_CRASHED )
{
// we need to hold down all modules, while MSVC can find error
MsgDev( D_NOTE, "Sys_FreeLibrary: hold %s for debugging\n", dll->name );
return false;
}
else MsgDev( D_NOTE, "Sys_FreeLibrary: Unloading %s\n", dll->name );
FreeLibrary( dll->link );
dll->link = NULL;
return true;
}
/*
================
Sys_WaitForQuit
wait for 'Esc' key will be hit
================
*/
void Sys_WaitForQuit( void )
{
MSG msg;
Con_RegisterHotkeys();
msg.message = 0;
// wait for the user to quit
while( msg.message != WM_QUIT )
{
if( PeekMessage( &msg, 0, 0, 0, PM_REMOVE ))
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
else Sys_Sleep( 20 );
}
}
long _stdcall Sys_Crash( PEXCEPTION_POINTERS pInfo )
{
// save config
if( host.status != HOST_CRASHED )
{
// check to avoid recursive call
error_on_exit = true;
host.crashed = true;
if( host.type == HOST_NORMAL )
CL_Crashed(); // tell client about crash
else host.status = HOST_CRASHED;
Con_Printf( "unhandled exception: %p at address %p\n", pInfo->ExceptionRecord->ExceptionAddress, pInfo->ExceptionRecord->ExceptionCode );
if( !host_developer.value )
{
// for non-development mode
Sys_Quit();
return EXCEPTION_CONTINUE_EXECUTION;
}
// all other states keep unchanged to let debugger find bug
Con_DestroyConsole();
}
if( host.oldFilter )
return host.oldFilter( pInfo );
return EXCEPTION_CONTINUE_EXECUTION;
}
/*
================
Sys_Error
NOTE: we must prepare engine to shutdown
before call this
================
*/
void Sys_Error( const char *error, ... )
{
va_list argptr;
char text[MAX_SYSPATH];
if( host.status == HOST_ERR_FATAL )
return; // don't multiple executes
// make sure what console received last message
if( host.change_game ) Sys_Sleep( 200 );
error_on_exit = true;
host.status = HOST_ERR_FATAL;
va_start( argptr, error );
Q_vsprintf( text, error, argptr );
va_end( argptr );
SV_SysError( text );
if( host.type == HOST_NORMAL )
{
if( host.hWnd ) ShowWindow( host.hWnd, SW_HIDE );
}
if( host_developer.value )
{
Con_ShowConsole( true );
Con_DisableInput(); // disable input line for dedicated server
Sys_Print( text ); // print error message
Sys_WaitForQuit();
}
else
{
Con_ShowConsole( false );
MSGBOX( text );
}
Sys_Quit();
}
/*
================
Sys_Quit
================
*/
void Sys_Quit( void )
{
Host_Shutdown();
exit( error_on_exit );
}
/*
================
Sys_Print
print into window console
================
*/
void Sys_Print( const char *pMsg )
{
const char *msg;
static char buffer[MAX_PRINT_MSG];
static char logbuf[MAX_PRINT_MSG];
char *b = buffer;
char *c = logbuf;
int i = 0;
if( host.type == HOST_NORMAL )
Con_Print( pMsg );
// if the message is REALLY long, use just the last portion of it
if( Q_strlen( pMsg ) > sizeof( buffer ) - 1 )
msg = pMsg + Q_strlen( pMsg ) - sizeof( buffer ) + 1;
else msg = pMsg;
// copy into an intermediate buffer
while( msg[i] && (( b - buffer ) < sizeof( buffer ) - 1 ))
{
if( msg[i] == '\n' && msg[i+1] == '\r' )
{
b[0] = '\r';
b[1] = c[0] = '\n';
b += 2, c++;
i++;
}
else if( msg[i] == '\r' )
{
b[0] = c[0] = '\r';
b[1] = '\n';
b += 2, c++;
}
else if( msg[i] == '\n' )
{
b[0] = '\r';
b[1] = c[0] = '\n';
b += 2, c++;
}
else if( msg[i] == '\35' || msg[i] == '\36' || msg[i] == '\37' )
{
i++; // skip console pseudo graph
}
else if( IsColorString( &msg[i] ))
{
i++; // skip color prefix
}
else
{
if( msg[i] == '\1' || msg[i] == '\2' )
i++;
*b = *c = msg[i];
b++, c++;
}
i++;
}
*b = *c = 0; // terminator
Sys_PrintLog( logbuf );
Con_WinPrint( buffer );
}
/*
================
MsgDev
formatted developer message
================
*/
void MsgDev( int type, const char *pMsg, ... )
{
static char text[MAX_PRINT_MSG];
va_list argptr;
if( type >= D_REPORT && host_developer.value < DEV_EXTENDED )
return;
va_start( argptr, pMsg );
Q_vsnprintf( text, sizeof( text ) - 1, pMsg, argptr );
va_end( argptr );
switch( type )
{
case D_WARN:
Sys_Print( va( "^3Warning:^7 %s", text ));
break;
case D_ERROR:
Sys_Print( va( "^1Error:^7 %s", text ));
break;
case D_INFO:
case D_NOTE:
case D_REPORT:
Sys_Print( text );
break;
}
7 years ago
}